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/*
* Copyright (C) 2020 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "shared/source/os_interface/linux/sys_calls.h"
#include "drm/i915_drm.h"
#include <cstdint>
#include <cstdio>
#include <cstring>
#include <sys/ioctl.h>
namespace NEO {
namespace SysCalls {
uint32_t closeFuncCalled = 0u;
int closeFuncArgPassed = 0;
constexpr int fakeFileDescriptor = 123;
uint32_t vmId = 0;
int close(int fileDescriptor) {
closeFuncCalled++;
closeFuncArgPassed = fileDescriptor;
return 0;
}
int open(const char *file, int flags) {
if (strcmp(file, "/dev/dri/by-path/pci-0000:invalid-render") == 0) {
return 0;
}
if (strcmp(file, "./test_files/linux/by-path/pci-0000-device-render") == 0) {
return fakeFileDescriptor;
}
return 0;
}
int ioctl(int fileDescriptor, unsigned long int request, void *arg) {
if (fileDescriptor == fakeFileDescriptor) {
if (request == DRM_IOCTL_VERSION) {
auto pVersion = static_cast<drm_version_t *>(arg);
snprintf(pVersion->name, pVersion->name_len, "i915");
}
}
if (request == DRM_IOCTL_I915_GEM_VM_CREATE) {
auto control = static_cast<drm_i915_gem_vm_control *>(arg);
control->vm_id = ++vmId;
return 0;
}
if (request == DRM_IOCTL_I915_GEM_VM_DESTROY) {
auto control = static_cast<drm_i915_gem_vm_control *>(arg);
vmId--;
return (control->vm_id > 0) ? 0 : -1;
}
return 0;
}
} // namespace SysCalls
} // namespace NEO
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